Notice the opening - beginnings are often important - and in this case that importance is highlighted when the theme is repeated, that's another clue - we repeat things that matter!
The man born blind is a great character, do enjoy listening to him "naively" running rings round the clever religious scholars :) So, it's all about spotting who Jesus is, and the evidence is what he does â handsome is as handsome does! Or better about spotting what God is doing and the appropriate response is worship and trust.
"Rabbi, who sinned, this man or his parents, that he was born blind?"
"Neither this man nor his parents sinned; he was born blind so that God's works might be revealed in him."